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泄水阀
el.mach. vent valve
hydroel.st. discharge valve; outlet valve
oil draw-off valve
tech. bleed valve (门); discharge valve (门); drain cock (门); drip valve (门); emptying valve (门); outlet valve (门); release valve (门); draining valve
water.res. sluice valve; sluice
泄 水阀
: 25 phrases in 5 subjects
Compressors2
Nautical3
Oil / petroleum2
Refrigeration1
Technology17